Ultra-Orthodox Jews pray as they burn leavened items in a final preparation before the start at sundown of the Jewish Pesach (Passover) holiday, on March 25, 2013 in Jerusalem. Religious Jews worldwide eat matzoh during the eight-day Pesach holiday that commemorates the Israelis' exodus from Egypt some 3,500 years ago and their ancestors' plight by refraining from eating leavened food products. MENAHEM KAHANA/AFP/Getty Images less

Ultra-Orthodox Jews pray as they burn leavened items in a final preparation before the start at sundown of the Jewish Pesach (Passover) holiday, on March 25, 2013 in Jerusalem. Religious Jews worldwide eat ... more

A man walks among debris of buildings destroyed during ethnic unrest between Buddhists and Muslim in Meikhtila, about 550 kilometers (340 miles) north of Yangon, Myanmar, Monday, March 25, 2013. Sectarian clashes between Buddhists and Muslims in Meikhtila spread to at least two other towns in the country's heartland over the weekend, undermining government efforts to quash an eruption of violence that has killed dozens of people and displaced 10,000 more. On Sunday, Vijay Nambiar, the U.N. secretary-general's special adviser on Myanmar, toured Meikhtila, where soldiers were able to impose order after several days of anarchy, and called on the government to punish those responsible. (AP Photo/Khin Maung Win) less

A man walks among debris of buildings destroyed during ethnic unrest between Buddhists and Muslim in Meikhtila, about 550 kilometers (340 miles) north of Yangon, Myanmar, Monday, March 25, 2013. Sectarian ... more

ROME, ITALY - MARCH 25: A man feeds pigeons on March 25, 2013 in Rome, Italy. Pope Francis yesterday led his first mass of Holy Week as pontiff by celebrating Palm Sunday in front of thousands of faithful and clergy. (Photo by Jeff J Mitchell/Getty Images) less

ROME, ITALY - MARCH 25: A man feeds pigeons on March 25, 2013 in Rome, Italy. Pope Francis yesterday led his first mass of Holy Week as pontiff by celebrating Palm Sunday in front of thousands of faithful and ... more

School girls play with coloured powder outside a school in Allahabad on March 25, 2013. Holi, the popular Hindu spring festival of colours observed in India at the end of the winter season on the last full moon of the lunar month, will be celebrated March 27 this year. Sanjay Kanojia/AFP/Getty Images less

School girls play with coloured powder outside a school in Allahabad on March 25, 2013. Holi, the popular Hindu spring festival of colours observed in India at the end of the winter season on the last full ... more

Photo: Sanjay Kanojia, AFP/Getty Images

School girls play with coloured powder outside a school in... Photo-4377348.59096 - Houston Chronicle

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An Afghan prisoner waits in line for his release from Parwan Detention Facility after the U.S. military gave control of its last detention facility to Afghan authorities in Bagram, outside Kabul, Afghanistan, Monday, March 25, 2013. The handover of Parwan Detention Facility ends a bitter chapter in American relations with Afghanistan's mercurial president, Hamid Karzai, who demanded control of the prison as a matter of national sovereignty. (AP Photo/Anja Niedringhaus) less

An Afghan prisoner waits in line for his release from Parwan Detention Facility after the U.S. military gave control of its last detention facility to Afghan authorities in Bagram, outside Kabul, Afghanistan, ... more

Photo: Anja Niedringhaus, Associated Press

An Afghan prisoner waits in line for his release from Parwan... Photo-4377347.59096 - Houston Chronicle

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Birds fly overhead as a Kashmiri fisherman fishes on Dal lake at sunset in Srinagar on March 25, 2013. Kashmir is divided between nuclear-armed rivals India and Pakistan, with both claiming the disputed territory in its entirety. Armed rebels have fought Indian security forces in Kashmir since 1989 for the independence of the region or its merger with Pakistan. The conflict has left tens of thousands, mostly civilians, dead so far. TAUSEEF MUSTAFA/AFP/Getty Images less

Birds fly overhead as a Kashmiri fisherman fishes on Dal lake at sunset in Srinagar on March 25, 2013. Kashmir is divided between nuclear-armed rivals India and Pakistan, with both claiming the disputed ... more